During light detection in a photoreceptor, light directly causes what molecular change?

Name: During light detection in a photoreceptor, light directly causes what molecular change?
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In the photoreceptor, light causes a change in the conformation of retinal, a molecule embedded within the opsin protein, from cis to trans. This molecular change leads to a cascade of events that ultimately results in the hyperpolarization of the photoreceptor and the cessation of neurotransmitter release at the synapse.

During Light Detection in a Photoreceptor, Light Directly Causes What